if (document.images) {
            img1on = new Image();   img1on.src = "/assets/nav/01b.gif";
            img1off = new Image();  img1off.src = "/assets/nav/01a.gif";
            img2on = new Image();   img2on.src = "/assets/nav/02b.gif";
            img2off = new Image();  img2off.src = "/assets/nav/02a.gif";
            img3on = new Image();   img3on.src = "/assets/nav/03b.gif";
            img3off = new Image();  img3off.src = "/assets/nav/03a.gif";
            img4on = new Image();   img4on.src = "/assets/nav/04b.gif";
            img4off = new Image();  img4off.src = "/assets/nav/04a.gif";
            img5on = new Image();   img5on.src = "/assets/nav/05b.gif";
            img5off = new Image();  img5off.src = "/assets/nav/05a.gif";
            img6on = new Image();   img6on.src = "/assets/nav/06b.gif";
            img6off = new Image();  img6off.src = "/assets/nav/06a.gif";
            img7on = new Image();   img7on.src = "/assets/nav/07b.gif";
            img7off = new Image();  img7off.src = "/assets/nav/07a.gif";
            tipOn1.src = "/assets/nav/01roll.gif";
            tipOn2.src = "/assets/nav/02roll.gif";
            tipOn3.src = "/assets/nav/03roll.gif";
            tipOn4.src = "/assets/nav/04roll.gif";
            tipOn5.src = "/assets/nav/05roll.gif";
            tipOn6.src = "/assets/nav/06roll.gif";
            tipOn7.src = "/assets/nav/07roll.gif";
}

// Navigation rollovers

function imgOn(imgName) {
            if (document.images) {document[imgName].src = eval(imgName + "on.src");}}

function imgOff(imgName) {
            if (document.images) {document[imgName].src = eval(imgName + "off.src");}}
	
// Tip rollovers

function tipOn1(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/01roll.gif";}}
function tipOn2(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/02roll.gif";}}
function tipOn3(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/03roll.gif";}}
function tipOn4(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/04roll.gif";}}
function tipOn5(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/05roll.gif";}}
function tipOn6(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/06roll.gif";}}
function tipOn7(imgName) {
            if (document.images) {document[imgName].src = "/assets/nav/07roll.gif";}}
function tipOff(imgName) {
            if (document.images) {document[imgName].src = "/assets/1.gif";}}